All Unit Conquest Challenge 3 is not tracking

Specifically working on Conquest Challenge #3 current.

The "Win Matches of Conquest" registers my 2 wins for the 2 of 2 requirement.

The "Get Kills at Objective in a Match of Conquest" is adding kills, subtracting kills, and not doing anything randomly at the end of rounds. Some rounds it doesn't register any of my Objective kills for the challenge. Today, it went from 2 of 10 to 5 of 10 to 7 of 10 and this last round I played it subtracted back down to 2 of 10 again. 

I have been working on this specific #3 Conquest challenge on the Unit Challenges tab for a few weeks now and it will not go past 7/10 in my counter. Has been at least 100 kills since beginning to work at it. Does the it have to be an enemy controlled objective, a friendly controlled objective, does it matter who has control?  I digress on that as regardless, my count should not be reducing on kills at the objective. Many times, they don't register at all.

I've had suspicions on other challenges having issues, but this one just happened to me right now. Began the match at 7/10 and ended the match at 2/10.

Is there a work around for this or am I doing something wrong? I've got the Initiation, Weapons, Class, BF Pro, and Exploration tabs done. Stuck at 10/20 on the Units and 0/5 on the Endurance as those 2 tabs keep adding, subtracting, or not doing anything post matches. 

(cm edit updated title for vis)